CVE-2022-50912

moderate-risk
Published 2026-01-13

ImpressCMS 1.4.4 contains a file upload vulnerability with weak extension sanitization that allows attackers to upload potentially malicious files. Attackers can bypass file upload restrictions by using alternative file extensions .php2.php6.php7.phps.pht to execute arbitrary PHP code on the server.

Do I need to act?

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0.20% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Impresscms

References (4)

Product https://github.com/ImpressCMS/impresscms
Exploit https://www.exploit-db.com/exploits/50890
Product https://www.impresscms.org/
Third Party Advisory https://www.vulncheck.com/advisories/impresscms-unrestricted-file-upload
38
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal